O-LevelChemistryBonding & Structure5070/11 · Oct/Nov 2010 · Q101 Mark

Which substance could be sodium chloride? conduction of electricity melting point/°C when liquid in aqueous solution A -114 nil good B 180 nil nil (insoluble) C 808 good good D 3550 nil nil (insoluble)

A-114 nil good

B180 nil nil (insoluble)

C808 good good

D3550 nil nil (insoluble)

✓ Correct answer

C: 808 good good

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Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2010 Paper 1 Variant 1, question 10.

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